Due to its proximity effect and skin effect, induction heating is only the workpiece near the outer skin penetration depth of a layer of fixed value of the direct heating, internal heating is small;
由于邻近效应和集肤效应的影响，感应加热时只是工件中靠近外表皮透入深度为定值的一层直接发热，内部发热很少；
Through the analysis of this wave equation, we find there exists the skin effect in the superconductor, of which the skin depth is dependent on the wave frequency.
通过对该方程的进一步分析后我们发现，在超导体中不仅存在电磁波动解，而且还存在类似于常规导体的电磁波趋肤效应，其趋肤尺度明显地依赖于电磁波的波动频率。
The calculation shows that the bigger the electric frequence is, the smaller the skin effect depth will be.
计算结果表明，电流频率越高，集肤深度越小。
The calculation shows that the bigger the electric frequence is, the smaller the skin effect depth will be.
计算结果表明，电流频率越高，集肤深度越小。
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